<template>
    <h3>我是App组件</h3>
</template>

<script>
import { ref,reactive, readonly,isReactive,isRef,isReadonly,isProxy } from 'vue'


export default {
name:'App',
setup(){
  let car=reactive({name:'奔驰',price:40})
  let sum=ref(0)
  let car2=readonly(car)

  console.log(isRef(sum));
  console.log(isReactive(car));
  console.log(isReadonly(car2));
  console.log(isProxy(car2));
}
}
</script>

<style scoped>

</style>